If you have an existing key, it’s pretty straightforward to do. It takes a while to complete, but it’s not too bad. I had a key fob stolen so I only had one remaining. I also wanted to renumber them for whatever reason that was important at the time (I needed to be Driver #1). If you bought the replacement online, the harder part is getting the physical key cut. Only a few places have the machine, and the one I went to refused to do it unless I bought the actual key from them. Ace Hardwares tend to have the machine, and they can order just the physical key part for you. i think the dealer wanted around $300 for the key + programming. I ordered the key fob for $99, programmed myself. Probably spent another $30 or so on the physical key + cutting. Be careful testing the physical key after cutting. I somehow disabled my truck for around 20 minutes after testing if it worked while the vehicle was “locked”. It was weird and frustrating, OnStar was also no help.
I overlooked the 2 speed transfer case and it’s frustrating to me. I’d get the X31 specifically for that reason. It’s not that big of a deal really, but I have no idea why GM would offer a 4WD option without it. Ive heard the ride is worse, so I’d suggest just driving each and seeing if you notice a difference. If the 4L is not a big deal, go with the better ride. Dual exhaust and Bedliner can be had aftermarket for reasonable cost.
Do non-Z71/X31 packages without 4L have a locking differential? I didn’t realize my truck came without 4L. Hope to never need it, but was quite disappointed to have only the single speed transfer case.
I always get the loading screen as well. Seems typical to me and not a major issue. I Not sure if you noticed it before, but if you restart the truck within some period of time, it doesn’t have to reload the Nav. No idea on the muting part. Never had that issue. There is a setting in the menus that will lower the volume on startup. Perhaps if your volume is too high when you turn it off, the muting is part of the max volume limit taking effect.
My key fob was stolen a couple weeks ago and I’d like to replace it. My SLT has the keyless entry/push button start, with remote start and tailgate lower. Talking to the dealer it’s about $350 for a replacement key and programming. Looking around online, I can get a replacement fob from www.carandtruckremotes.com for about $120 less than the dealer. Not sure if anyone has purchased from there, but it has highly rated reviews. The next step would be programming the new fob to work for my truck. I have one working fob now. I’ve looked around online and on this site and haven’t seen if this is possible to do yourself. I’ve seen a few things listed that say about turning the backup key in the door a few times, but wasn’t sure if that would work and make the key function properly (remote start, etc.). I’d also like the new key to be linked to “Driver #1” as this was always my settings, etc. Anybody replaced keyless entry/push button start key fob in a GMC without having to program it at the dealership?
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